return FSKrawDemod(Cmd, true);
}
-//move to cmdlfhid.c
-//by marshmellow (based on existing demod + holiman's refactor)
-//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
-//print full HID Prox ID and some bit format details if found
-int CmdFSKdemodHID(const char *Cmd)
-{
- //raw fsk demod no manchester decoding no start bit finding just get binary from wave
- uint32_t hi2=0, hi=0, lo=0;
-
- uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
- size_t BitLen = getFromGraphBuf(BitStream);
- if (BitLen==0) return 0;
- //get binary from fsk wave
- int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
- if (idx<0){
- if (g_debugMode){
- if (idx==-1){
- PrintAndLog("DEBUG: Just Noise Detected");
- } else if (idx == -2) {
- PrintAndLog("DEBUG: Error demoding fsk");
- } else if (idx == -3) {
- PrintAndLog("DEBUG: Preamble not found");
- } else if (idx == -4) {
- PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen);
- } else {
- PrintAndLog("DEBUG: Error demoding fsk %d", idx);
- }
- }
- return 0;
- }
- if (hi2==0 && hi==0 && lo==0) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - no values found");
- return 0;
- }
- if (hi2 != 0){ //extra large HID tags
- PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
- (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
- }
- else { //standard HID tags <38 bits
- uint8_t fmtLen = 0;
- uint32_t fc = 0;
- uint32_t cardnum = 0;
- if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
- uint32_t lo2=0;
- lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit
- uint8_t idx3 = 1;
- while(lo2>1){ //find last bit set to 1 (format len bit)
- lo2=lo2>>1;
- idx3++;
- }
- fmtLen =idx3+19;
- fc =0;
- cardnum=0;
- if(fmtLen==26){
- cardnum = (lo>>1)&0xFFFF;
- fc = (lo>>17)&0xFF;
- }
- if(fmtLen==34){
- cardnum = (lo>>1)&0xFFFF;
- fc= ((hi&1)<<15)|(lo>>17);
- }
- if(fmtLen==35){
- cardnum = (lo>>1)&0xFFFFF;
- fc = ((hi&1)<<11)|(lo>>21);
- }
- }
- else { //if bit 38 is not set then 37 bit format is used
- fmtLen = 37;
- fc = 0;
- cardnum = 0;
- if(fmtLen == 37){
- cardnum = (lo>>1)&0x7FFFF;
- fc = ((hi&0xF)<<12)|(lo>>20);
- }
- }
- PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
- (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
- (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum);
- }
- setDemodBuf(BitStream,BitLen,idx);
- if (g_debugMode){
- PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
- printDemodBuff();
- }
- return 1;
-}
-
-
//by marshmellow
//Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
//print full Paradox Prox ID and some bit format details if found
return 1;
}
-//by marshmellow
-//AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream)
-//print full AWID Prox ID and some bit format details if found
-int CmdFSKdemodAWID(const char *Cmd)
-{
- uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
- size_t size = getFromGraphBuf(BitStream);
- if (size==0) return 0;
-
- //get binary from fsk wave
- int idx = AWIDdemodFSK(BitStream, &size);
- if (idx<=0){
- if (g_debugMode){
- if (idx == -1)
- PrintAndLog("DEBUG: Error - not enough samples");
- else if (idx == -2)
- PrintAndLog("DEBUG: Error - only noise found");
- else if (idx == -3)
- PrintAndLog("DEBUG: Error - problem during FSK demod");
- else if (idx == -4)
- PrintAndLog("DEBUG: Error - AWID preamble not found");
- else if (idx == -5)
- PrintAndLog("DEBUG: Error - Size not correct: %d", size);
- else
- PrintAndLog("DEBUG: Error %d",idx);
- }
- return 0;
- }
-
- // Index map
- // 0 10 20 30 40 50 60
- // | | | | | | |
- // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96
- // -----------------------------------------------------------------------------
- // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1
- // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96
- // |---26 bit---| |-----117----||-------------142-------------|
- // b = format bit len, o = odd parity of last 3 bits
- // f = facility code, c = card number
- // w = wiegand parity
- // (26 bit format shown)
-
- //get raw ID before removing parities
- uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32);
- uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32);
- uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32);
- setDemodBuf(BitStream,96,idx);
-
- size = removeParity(BitStream, idx+8, 4, 1, 88);
- if (size != 66){
- if (g_debugMode) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
- return 0;
- }
- // ok valid card found!
-
- // Index map
- // 0 10 20 30 40 50 60
- // | | | | | | |
- // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
- // -----------------------------------------------------------------------------
- // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
- // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
- // |26 bit| |-117--| |-----142------|
- // b = format bit len, o = odd parity of last 3 bits
- // f = facility code, c = card number
- // w = wiegand parity
- // (26 bit format shown)
-
- uint32_t fc = 0;
- uint32_t cardnum = 0;
- uint32_t code1 = 0;
- uint32_t code2 = 0;
- uint8_t fmtLen = bytebits_to_byte(BitStream,8);
- if (fmtLen==26){
- fc = bytebits_to_byte(BitStream+9, 8);
- cardnum = bytebits_to_byte(BitStream+17, 16);
- code1 = bytebits_to_byte(BitStream+8,fmtLen);
- PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
- } else {
- cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
- if (fmtLen>32){
- code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
- code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
- PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
- } else{
- code1 = bytebits_to_byte(BitStream+8,fmtLen);
- PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
- }
- }
- if (g_debugMode){
- PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96);
- printDemodBuff();
- }
- //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
- return 1;
-}
-
//by marshmellow
//Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream)
//print full Farpointe Data/Pyramid Prox ID and some bit format details if found
{"dec", CmdDec, 1, "Decimate samples"},
{"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
{"fdxbdemod", CmdFDXBdemodBI , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"},
- {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
//{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
- {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"},
{"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
{"fskpyramiddemod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
{"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},
projects / proxmark3-svn / blobdiff